Pioneer Municipal High Income Opportunities Fund (MIO) Stock Chart & Stock Price History $11.58 0.00 (0.00%) Closing price 03:58 PM EasternExtended Trading$11.58 0.00 (0.00%) As of 04:05 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Share Share Chart Stock AnalysisChartDividendHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Pioneer Municipal High Income Opportunities Fund Stock Price Performance 5 Day Performance+0.17%1 Month Performance-2.24%3 Month Performance-3.78%6 Month Performance-3.90%Year-To-Date Performance-2.36%1 Year Performance+5.27% Receive MIO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Pioneer Municipal High Income Opportunities Fund and its competitors with MarketBeat's FREE daily newsletter. Email Address MIO Stock Chart for Tuesday, April, 29, 2025 MIO Chart by TradingView Pioneer Municipal High Income Opportunities Fund Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/29/2025$11.60$11.58-0.17%$11.64$11.5028,691 shs$0.0004/28/2025$11.61$11.60-0.09%$11.67$11.5119,605 shs$0.0004/25/2025$11.56$11.61+0.43%$11.65$11.5338,101 shs$0.0004/24/2025$11.41$11.56+1.36%$11.56$11.3742,716 shs$0.0004/23/2025$11.30$11.41+0.93%$11.47$11.2827,781 shs$0.0004/22/2025$11.26$11.30+0.36%$11.36$11.2228,892 shs$0.0004/21/2025$11.26$11.26$11.31$11.1729,141 shs$0.0004/18/2025$11.26$11.26$11.34$11.2474,130 shs$0.0004/17/2025$11.25$11.26+0.09%$11.34$11.2474,130 shs$0.0004/16/2025$11.24$11.25+0.09%$11.32$11.2451,446 shs$0.00 Get the Latest News and Ratings for MIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Pioneer Municipal High Income Opportunities Fund and its competitors with MarketBeat's FREE daily newsletter. 04/15/2025$11.18$11.24+0.54%$11.30$11.1790,343 shs$0.0004/14/2025$11.15$11.18+0.31%$11.33$11.0841,140 shs$0.0004/11/2025$11.19$11.15-0.40%$11.28$11.0554,315 shs$0.0004/10/2025$11.51$11.19-2.78%$11.48$11.1674,516 shs$0.0004/09/2025$11.34$11.51+1.47%$11.53$11.10135,117 shs$0.0004/09/2025$11.34$11.51+1.47%$11.53$11.10135,117 shs$0.0004/08/2025$11.65$11.34-2.64%$11.97$11.0669,292 shs$0.0004/08/2025$11.65$11.34-2.64%$11.97$11.0669,292 shs$0.0004/07/2025$11.86$11.65-1.77%$11.82$11.6352,074 shs$0.0004/04/2025$11.94$11.86-0.63%$11.97$11.8113,219 shs$0.0004/03/2025$11.89$11.94+0.38%$11.97$11.8530,873 shs$0.0004/02/2025$11.89$11.89$11.95$11.8524,323 shs$0.0004/01/2025$11.78$11.89+0.98%$11.92$11.8231,873 shs$0.0003/31/2025$11.85$11.78-0.59%$11.94$11.7456,082 shs$0.0003/28/2025$11.79$11.85+0.48%$11.99$11.8122,471 shs$0.00 This page (NYSE:MIO) was last updated on 4/29/2025 by MarketBeat.com Staff From Our PartnersElon Set to Shock the World by May 1st ?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | SponsoredWarning: “DOGE Collapse” imminentElon Strikes Back You may already sense that the tide is turning against Elon Musk and DOGE. 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